LevelBuilder.name = \u6c34\u5e73

FlattenBuilder.name = \u5408\u5e76
FlattenBuilder.description = \u53ea\u4fdd\u7559\u5728\u5c42\u6b21\u7ed3\u6784\u4e2d\u7684\u5f53\u524d\u89c6\u56fe\u548c\u8f6c\u6362\u5728\u6b63\u5e38\u7684\u8fb9\u7684\u5173\u952e\u8fb9\u3002\u8be5\u56fe\u4e0d\u518d\u662f\u5206\u7ea7\u7684\u3002
